31128212480

Names of 31128212480

• Cardinal: 31128212480 can be written as Thirty-one billion, one hundred twenty-eight million, two hundred twelve thousand, four hundred eighty.

Scientific notation

• Scientific notation: 3.112821248 × 10¹⁰

Factors of 31128212480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4485

Divisors of 31128212480

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 37 40 64 74 80 128 148 160 185 256 296 320 370 512 592 640 740 1024 1184 1280 1369 1480 2368 2560 2738 2960 4441 4736 5120 5476 5920 6845 8882 9472 10952 11840 13690 17764 18944 21904 22205 23680 27380 35528 37888 43808 44410 47360 54760 71056 87616 88820 94720 109520 142112 164317 175232 177640 189440 219040 284224 328634 350464 355280 438080 568448 657268 700928 710560 821585 876160 1136896 1314536 1401856 1421120 1643170 1752320 2273792 2629072 2842240 3286340 3504640 4547584 5258144 5684480 6079729 6572680 7009280 10516288 11368960 12159458 13145360 21032576 22737920 24318916 26290720 30398645 42065152 48637832 52581440 60797290 84130304 97275664 105162880 121594580 168260608 194551328 210325760 243189160 389102656 420651520 486378320 778205312 841303040 972756640 1556410624 1945513280 3112821248 3891026560 6225642496 7782053120 15564106240 31128212480
• Sum of all divisors σ(n): 76761198108
• Sum of proper divisors (its aliquot sum) s(n): 45632985628
• 31128212480 is an abundant number, because the sum of its proper divisors (45632985628) is greater than itself. Its abundance is 14504773148

Bases of 31128212480

• Binary: 11100111111011000101101010000000000₂
• Hexadecimal: 0x73F62D400
• Base-36: EASXMGW

Squares and roots of 31128212480

• 31128212480 squared (31128212480²) is 968965612200027750400
• 31128212480 cubed (31128212480³) is 30162167462375744076347604992000
• The square root of 31128212480 is 176431.8919016627
• The cube root of 31128212480 is 3145.7054934027

Scales and comparisons

• 31,128,212,480 seconds is equal to 989 years, 40 weeks, 4 days, 5 hours, 41 minutes, 20 seconds.
• To count from 1 to 31,128,212,480 would take you about one thousand, nine hundred seventy-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31128212480 cubic inches would be around 262.1 feet tall.

Recreational maths with 31128212480

• 31128212480 backwards is 08421282113
• 31128212480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31128212480's digits is 32
• More coming soon!